Phat Trien Cong Nghe Khai An LTD Address: 8/3a, Street No 31, Ward 6, Go Vap District, Ho Chi Minh City Enterprise code: 0312088842 Phone: 02836101391 Representative: Vo Quang Chung Ward 6, Go Vap District, Ho Chi Minh CityFounding date: 14 - 12 - 2012